framework: ci: Add support for Travis CI

Future commits to ipmitool will be verified by Travis CI.
This commit adds a basic configuration for that purpose.

.travis.yml

@@ -0,0 +1,10 @@
+language: C
+sudo: enabled
+before_install:
+  - sudo apt-get install -y libssl-dev
+before_script:
+ - ./bootstrap
+script:
+ - ./configure --enable-intf-dummy
+ - make
+ - sudo make install